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If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	138.20.99.0/24	Morgan Stanley Group Inc.
	138.20.184.0/24	Morgan Stanley Group Inc.
	170.74.215.0/24	Morgan Stanley
	170.74.216.0/22	Morgan Stanley
	170.74.220.0/22	Morgan Stanley
	170.74.226.0/23	Morgan Stanley
	170.74.228.0/22	Morgan Stanley
	170.74.232.0/22	Morgan Stanley
	170.74.236.0/22	Morgan Stanley
	170.74.244.0/22	Morgan Stanley
	170.74.248.0/22	Morgan Stanley
	199.89.64.0/18	Morgan Stanley Group Inc.
	199.89.94.0/24	Morgan Stanley Group Inc.
	205.228.12.0/24	Morgan Stanley Group Inc.
	205.228.15.0/24	Morgan Stanley Group Inc.
	205.228.18.0/24	Morgan Stanley Group Inc.
	205.228.53.0/24	Morgan Stanley Group Inc.
	205.228.54.0/24	Morgan Stanley Group Inc.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✔	✘
	AS6461	Zayo Bandwidth	✔	✘
	AS701	Verizon Business	✔	✘
	AS7018	AT&T Enterprises, LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS6461	Zayo Bandwidth	✔	✘
	AS3356	Lumen (Level 3)	✔	✘
	AS7018	AT&T Enterprises, LLC	✔	✘
	AS701	Verizon Business	✔	✘

ASHandle:       AS5049
OrgID:          MSG-6
ASName:         MORGAN-ASN
ASNumber:       5049
RegDate:        1995-03-29
Updated:        2012-04-11
TechHandle:     INTER31-ARIN
AbuseHandle:    INTER31-ARIN
NOCHandle:      INTER31-ARIN
Source:         ARIN



OrgID:          MSG-6
OrgName:        Morgan Stanley Group Inc.
CanAllocate:    
Street:         1585 Broadway
City:           New York
State/Prov:     NY
Country:        US
PostalCode:     10036
RegDate:        1990-01-24
Updated:        2011-09-24
OrgAdminHandle: INTER30-ARIN
OrgTechHandle:  INTER31-ARIN
OrgAbuseHandle: INTER31-ARIN
Source:         ARIN





OrgAdminHandle:       INTER30-ARIN
OrgAdminName:          internetadmin
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        INTER31-ARIN
OrgTechName:           internettech
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       INTER31-ARIN
OrgAbuseName:          internettech
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           INTER31-ARIN
TechName:              internettech
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          INTER31-ARIN
AbuseName:             internettech
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            INTER31-ARIN
NOCName:               internettech
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-26T03:34:05Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
LEVEL3	as-level3-origins-na	0
RADB	as-prole	1197
RADB	as37271:as-test-cf	93
LEVEL3	as-lumen-customers-asns	10695
ARIN	as13335:as-customers	1505
RADB	as26615:as-customers	7516
ARIN	as-ves-ds	157
LEVEL3	as-level3-customers-na	0
RIPE	as-cwcustus	40054
RADB	as-ctbc-customers206	49